// Copyright 2025 eat-pray-ai & OpenWaygate
// SPDX-License-Identifier: Apache-2.0
package caption
import (
"bytes"
"context"
"encoding/json"
"io"
"log/slog"
"time"
"github.com/eat-pray-ai/yutu/cmd"
"github.com/eat-pray-ai/yutu/pkg"
"github.com/eat-pray-ai/yutu/pkg/caption"
"github.com/eat-pray-ai/yutu/pkg/utils"
"github.com/google/jsonschema-go/jsonschema"
"github.com/modelcontextprotocol/go-sdk/mcp"
"github.com/spf13/cobra"
)
const (
insertTool = "caption-insert"
insertShort = "Insert caption"
insertLong = "Insert caption to a video"
)
type insertIn struct {
File string `json:"file"`
AudioTrackType string `json:"audioTrackType"`
IsAutoSynced *string `json:"isAutoSynced,omitempty"`
IsCC *string `json:"isCC,omitempty"`
IsDraft *string `json:"isDraft,omitempty"`
IsEasyReader *string `json:"isEasyReader,omitempty"`
IsLarge *string `json:"isLarge,omitempty"`
Language string `json:"language"`
Name string `json:"name"`
TrackKind string `json:"trackKind"`
VideoId string `json:"videoId"`
OnBehalfOf string `json:"onBehalfOf"`
OnBehalfOfContentOwner string `json:"onBehalfOfContentOwner"`
Output string `json:"output"`
Jsonpath string `json:"jsonpath"`
}
var insertInSchema = &jsonschema.Schema{
Type: "object",
Required: []string{"file", "videoId"},
Properties: map[string]*jsonschema.Schema{
"file": {
Type: "string",
Description: fileUsage,
Default: json.RawMessage(`""`),
},
"audioTrackType": {
Type: "string",
Enum: []any{"unknown", "primary", "commentary", "descriptive"},
Description: attUsage,
Default: json.RawMessage(`"unknown"`),
},
"isAutoSynced": {
Type: "string",
Enum: []any{"true", "false", ""},
Description: iasUsage,
Default: json.RawMessage(`""`),
},
"isCC": {
Type: "string",
Enum: []any{"true", "false", ""},
Description: iscUsage,
Default: json.RawMessage(`""`),
},
"isDraft": {
Type: "string",
Enum: []any{"true", "false", ""},
Description: isdUsage,
Default: json.RawMessage(`""`),
},
"isEasyReader": {
Type: "string",
Enum: []any{"true", "false", ""},
Description: iserUsage,
Default: json.RawMessage(`""`),
},
"isLarge": {
Type: "string",
Enum: []any{"true", "false", ""},
Description: islUsage,
Default: json.RawMessage(`""`),
},
"language": {
Type: "string",
Description: languageUsage,
Default: json.RawMessage(`""`),
},
"name": {
Type: "string",
Description: nameUsage,
Default: json.RawMessage(`""`),
},
"trackKind": {
Type: "string",
Enum: []any{"standard", "ASR", "forced"},
Description: tkUsage,
Default: json.RawMessage(`"standard"`),
},
"videoId": {
Type: "string",
Description: vidUsage,
Default: json.RawMessage(`""`),
},
"onBehalfOf": {
Type: "string",
Description: "",
Default: json.RawMessage(`""`),
},
"onBehalfOfContentOwner": {
Type: "string",
Description: "",
Default: json.RawMessage(`""`),
},
"output": {
Type: "string",
Enum: []any{"json", "yaml", "silent", ""},
Description: pkg.SilentUsage,
Default: json.RawMessage(`"yaml"`),
},
"jsonpath": {
Type: "string",
Description: pkg.JPUsage,
Default: json.RawMessage(`""`),
},
},
}
func init() {
mcp.AddTool(
cmd.Server, &mcp.Tool{
Name: insertTool, Title: insertShort, Description: insertLong,
InputSchema: insertInSchema, Annotations: &mcp.ToolAnnotations{
DestructiveHint: jsonschema.Ptr(false),
IdempotentHint: false,
OpenWorldHint: jsonschema.Ptr(true),
ReadOnlyHint: false,
},
}, insertHandler,
)
captionCmd.AddCommand(insertCmd)
insertCmd.Flags().StringVarP(&file, "file", "f", "", fileUsage)
insertCmd.Flags().StringVarP(
&audioTrackType, "audioTrackType", "a", "unknown", attUsage,
)
insertCmd.Flags().BoolVarP(
isAutoSynced, "isAutoSynced", "A", true, iasUsage,
)
insertCmd.Flags().BoolVarP(isCC, "isCC", "C", false, iscUsage)
insertCmd.Flags().BoolVarP(isDraft, "isDraft", "D", false, isdUsage)
insertCmd.Flags().BoolVarP(
isEasyReader, "isEasyReader", "E", false, iserUsage,
)
insertCmd.Flags().BoolVarP(isLarge, "isLarge", "L", false, islUsage)
insertCmd.Flags().StringVarP(&language, "language", "l", "", languageUsage)
insertCmd.Flags().StringVarP(&name, "name", "n", "", nameUsage)
insertCmd.Flags().StringVarP(
&trackKind, "trackKind", "t", "standard", tkUsage,
)
insertCmd.Flags().StringVarP(&videoId, "videoId", "v", "", vidUsage)
insertCmd.Flags().StringVarP(&onBehalfOf, "onBehalfOf", "b", "", "")
insertCmd.Flags().StringVarP(
&onBehalfOfContentOwner, "onBehalfOfContentOwner", "B", "", "",
)
insertCmd.Flags().StringVarP(&output, "output", "o", "", pkg.SilentUsage)
insertCmd.Flags().StringVarP(&jpath, "jsonPath", "j", "", pkg.JPUsage)
_ = insertCmd.MarkFlagRequired("file")
_ = insertCmd.MarkFlagRequired("videoId")
}
var insertCmd = &cobra.Command{
Use: "insert",
Short: insertShort,
Long: insertLong,
Run: func(cmd *cobra.Command, args []string) {
err := insert(cmd.OutOrStdout())
if err != nil {
_ = cmd.Help()
cmd.PrintErrf("Error: %v\n", err)
}
},
}
func insertHandler(
ctx context.Context, req *mcp.CallToolRequest, input insertIn,
) (*mcp.CallToolResult, any, error) {
logger := slog.New(
mcp.NewLoggingHandler(
req.Session,
&mcp.LoggingHandlerOptions{
LoggerName: insertTool, MinInterval: time.Second,
},
),
)
file = input.File
audioTrackType = input.AudioTrackType
isAutoSynced = utils.BoolPtr(*input.IsAutoSynced)
isCC = utils.BoolPtr(*input.IsCC)
isDraft = utils.BoolPtr(*input.IsDraft)
isEasyReader = utils.BoolPtr(*input.IsEasyReader)
isLarge = utils.BoolPtr(*input.IsLarge)
language = input.Language
name = input.Name
trackKind = input.TrackKind
videoId = input.VideoId
onBehalfOf = input.OnBehalfOf
onBehalfOfContentOwner = input.OnBehalfOfContentOwner
output = input.Output
jpath = input.Jsonpath
var writer bytes.Buffer
err := insert(&writer)
if err != nil {
logger.ErrorContext(ctx, err.Error(), "input", input)
return nil, nil, err
}
return &mcp.CallToolResult{Content: []mcp.Content{&mcp.TextContent{Text: writer.String()}}}, nil, nil
}
func insert(writer io.Writer) error {
c := caption.NewCation(
caption.WithFile(file),
caption.WithAudioTrackType(audioTrackType),
caption.WithIsAutoSynced(isAutoSynced),
caption.WithIsCC(isCC),
caption.WithIsDraft(isDraft),
caption.WithIsEasyReader(isEasyReader),
caption.WithIsLarge(isLarge),
caption.WithLanguage(language),
caption.WithName(name),
caption.WithTrackKind(trackKind),
caption.WithOnBehalfOf(onBehalfOf),
caption.WithOnBehalfOfContentOwner(onBehalfOfContentOwner),
caption.WithVideoId(videoId),
caption.WithService(nil),
)
return c.Insert(output, jpath, writer)
}
